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111895-44-4

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111895-44-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111895-44-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,8,9 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 111895-44:
(8*1)+(7*1)+(6*1)+(5*8)+(4*9)+(3*5)+(2*4)+(1*4)=124
124 % 10 = 4
So 111895-44-4 is a valid CAS Registry Number.

111895-44-4Downstream Products

111895-44-4Relevant articles and documents

Regio- and Stereoselective Synthesis of (E)- and (Z)-Allylsulfones from Aldehydes and Alkynes

Ozawa, Motoyasu,Iwata, Noriyoshi,Kinoshita, Hideki,Inomata, Katsuhiko

, p. 1689 - 1692 (2007/10/02)

Several (E)- and (Z)-1-p-toluenesulfonyl(=tosyl)-2-alkenes, allylsulfones, were regio- and stereoselectively prepared from aldehydes and alkynes, respectively, in good yields by application of the results of our previous investigation on "syn-effect" and

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